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2.05.3 <br /> <br /> <br />RN-04 2.05 - 62 - 02/17 <br />Gob will also be generated from the preparation plant. The principal <br />additives used in the preparation plant are magnetite and flocculent. The <br />plant is designed to run as a closed circuit relative to these additives. The <br />thickener is designed to recover as much of these additives as possible. <br />There will be minor amounts of flocculent and magnetite that bind with the <br />gob produced by the plant. No chemical sludge will be generated by the <br />preparation plant. <br /> <br />Gob from the preparation plant flows to a 100 ton storage bin. Haul trucks <br />(20 to 40 ton) load refuse from the storage bin and haul it to one of the active <br />gob piles. Gob handling details are explained in Volumes IX and XI. <br /> <br />The annual volume of gob produced will be variable based on run-of-mine <br />coal quality. The following table shows the amount of gob produced during <br />the last five years. <br /> <br />Year Gob Tons Clean Coal Tons Gob Tons/Million <br />Clean <br />2009 219,300 1,212,977 108,795 <br />2010 212,739 1,325,208 160,533 <br />2011 345,143 2,235,055 154,423 <br />2012 575,900 3,430,282 167,887 <br />2013 844,429 3,320,696 254,293 <br />2014 1,041,969 2,407,598 432,784 <br />2015 572,921 1,587,976 360,787 <br /> <br />One of the Operator's coal sales contract expired around the end of 2014. <br />Therefore, coal production will decrease for the foreseeable future. The <br />Operator has analyzed its in place coal quality and future coal sales quality <br />requirements to estimate the amount of gob that will be generated through <br />the permit term. The following table summarizes the data: <br /> <br />2016 <br />1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Total <br />25,575 29,742 26,915 25,000 107,232 <br />2017 <br />1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Total <br />25,000 0 0 0 25,000 <br /> <br /> <br />The permit term ends April 4, 2017. An estimated 50,000 tons of gob will be <br />generated during the remainder of the permit term. The Operator is unable to <br />project gob production for the permit term ending April 4, 2022.